Setting the country code within the hostapd config doesn’t work on Debian bookworm or Ubuntu 22 LTS. Nor does using iw reg set US without a workaround. The trick is to remove all kernel modules for the card, then use iw reg set US and reload the modules. The card worked fine under Debian 11. I have a hunch things broke when Linux moved away from the CRDA package, but I’m not a kernel developer.
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I use the Alfa AWUS052NH USB WiFi adapter for the 5Ghz network of my Raspberry Pi wifi router. Thought I’d share my config file so others can quickly get up and running with this adapter.

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I use the Alfa AWUS051NH USB WiFi adapter for the 2.5Ghz network of my Raspberry Pi wifi router. Thought I’d share my config file so others can quickly get up and running with this adapter.

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For the past year I’ve been using a TP-Link WDR4300 wireless router. I tried installing OpenWrt on it but it became unusable so I reverted back to stock. Last month I decided to build my own wireless router out of the beagleboard-xM I bought three years ago. What are the benefits of building my own router? It could provide network attached storage via a USB drive or MicroSD card. Could use something more robust than the FAT filesystem too.
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